(a) What is the momentum in kg . m/s of a garbage truck that is 1.20 x 10# kg and is moving at 30.0 m/s? (Enter a number.) kg . m/s (b) At what speed in m/s would an 8.00 kg trash can have the same momentum as the truck? (Enter a number.) m/s +A 0.450 kg hammer is moving horizontally at 8.50 rule when it strikes a nail and comes to rest after driving it 1.00 cm into a board. (6:) Calculate the duration of the impact in seconds. [Enter a number.) :|5 (b) What was the average force in newton; exerted downward on the nail? (Enter a number.) :IN